1 | #include "vector.h" |
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2 | |
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3 | #include <stdlib> |
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4 | |
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5 | //------------------------------------------------------------------------------ |
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6 | //Initialization |
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7 | forall(otype T, otype allocator_t | allocator_c(T, allocator_t)) |
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8 | void ctor(vector(T, allocator_t) *const this) |
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9 | { |
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10 | ctor(&this->storage); |
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11 | this->size = 0; |
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12 | } |
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13 | |
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14 | forall(otype T, otype allocator_t | allocator_c(T, allocator_t)) |
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15 | void dtor(vector(T, allocator_t) *const this) |
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16 | { |
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17 | clear(this); |
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18 | dtor(&this->storage); |
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19 | } |
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20 | |
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21 | //------------------------------------------------------------------------------ |
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22 | //Modifiers |
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23 | forall(otype T, otype allocator_t | allocator_c(T, allocator_t)) |
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24 | void push_back(vector(T, allocator_t) *const this, T value) |
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25 | { |
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26 | realloc(&this->storage, this->size+1); |
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27 | data(&this->storage)[this->size] = value; |
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28 | this->size++; |
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29 | } |
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30 | |
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31 | forall(otype T, otype allocator_t | allocator_c(T, allocator_t)) |
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32 | void pop_back(vector(T, allocator_t) *const this) |
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33 | { |
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34 | this->size--; |
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35 | DESTROY(data(&this->storage)[this->size]); |
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36 | } |
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37 | |
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38 | forall(otype T, otype allocator_t | allocator_c(T, allocator_t)) |
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39 | void clear(vector(T, allocator_t) *const this) |
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40 | { |
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41 | for(size_t i = 0; i < this->size; i++) |
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42 | { |
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43 | DESTROY(data(&this->storage)[this->size]); |
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44 | } |
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45 | this->size = 0; |
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46 | } |
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47 | |
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48 | //------------------------------------------------------------------------------ |
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49 | //Allocator |
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50 | forall(otype T) |
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51 | void ctor(heap_allocator(T) *const this) |
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52 | { |
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53 | this->storage = 0; |
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54 | this->capacity = 0; |
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55 | } |
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56 | |
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57 | forall(otype T) |
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58 | void dtor(heap_allocator(T) *const this) |
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59 | { |
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60 | free(this->storage); |
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61 | } |
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62 | |
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63 | forall(otype T) |
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64 | inline void realloc(heap_allocator(T) *const this, size_t size) |
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65 | { |
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66 | static const size_t GROWTH_RATE = 2; |
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67 | if(size > this->capacity) |
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68 | { |
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69 | this->capacity = GROWTH_RATE * size; |
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70 | this->storage = (T*)realloc((void*)this->storage, this->capacity * sizeof(T)); |
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71 | } |
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72 | } |
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